public void GetRequest_With_Timestamp_Generator_Empty_Value_With_Statement_Timestamp()
{
var statement = new SimpleStatement("STATEMENT WITH TIMESTAMP");
var expectedTimestamp = new DateTimeOffset(2010, 04, 29, 1, 2, 3, 4, TimeSpan.Zero).AddTicks(20);
statement.SetTimestamp(expectedTimestamp);
var policies = new Cassandra.Policies(
Cassandra.Policies.DefaultLoadBalancingPolicy, Cassandra.Policies.DefaultReconnectionPolicy,
Cassandra.Policies.DefaultRetryPolicy, Cassandra.Policies.DefaultSpeculativeExecutionPolicy,
new NoTimestampGenerator());
var config = RequestHandlerTests.GetConfig(new QueryOptions(), policies, PoolingOptions.Create());
var request = RequestHandler.GetRequest(statement, Serializer, config.DefaultRequestOptions);
var bodyBuffer = GetBodyBuffer(request);
// The query request is composed by:
// <query><consistency><flags><result_page_size><paging_state><serial_consistency><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
var flags = GetQueryFlags(bodyBuffer, ref offset);
Assert.True(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
// Skip result_page_size (4) + serial_consistency (2)
offset += 6;
var timestamp = BeConverter.ToInt64(bodyBuffer, offset);
Assert.AreEqual(TypeSerializer.SinceUnixEpoch(expectedTimestamp).Ticks / 10, timestamp);
}
public override byte[] Serialize(ushort protocolVersion, BigDecimal value)
{
var scaleBuffer = BeConverter.GetBytes(value.Scale);
var valueBuffer = _bigIntegerSerializer.Serialize(protocolVersion, value.UnscaledValue);
return(Utils.JoinBuffers(new[] { scaleBuffer, valueBuffer }, scaleBuffer.Length + valueBuffer.Length));
}
public void GetRequest_With_Timestamp_Generator_Empty_Value()
{
var statement = new SimpleStatement("QUERY");
var policies = new Policies(
Policies.DefaultLoadBalancingPolicy, Policies.DefaultReconnectionPolicy, Policies.DefaultRetryPolicy,
Policies.DefaultSpeculativeExecutionPolicy, new NoTimestampGenerator());
var config = new Configuration(
policies, new ProtocolOptions(), PoolingOptions.Create(), new SocketOptions(), new ClientOptions(),
NoneAuthProvider.Instance, null, new QueryOptions(), new DefaultAddressTranslator());
var request = RequestHandler.GetRequest(statement, Serializer.Default, config);
var bodyBuffer = GetBodyBuffer(request);
// The query request is composed by:
// <query><consistency><flags><result_page_size><paging_state><serial_consistency><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
var flags = GetQueryFlags(bodyBuffer, ref offset);
Assert.False(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
Assert.False(flags.HasFlag(QueryFlags.Values));
Assert.False(flags.HasFlag(QueryFlags.WithPagingState));
Assert.False(flags.HasFlag(QueryFlags.SkipMetadata));
Assert.True(flags.HasFlag(QueryFlags.WithSerialConsistency));
}
private static byte[] GetHeaderBuffer(int length, HeaderFlags flags = 0)
{
var headerBuffer = new byte[] { 0x80 | (int)Version, (byte)flags, 0, 0, ErrorResponse.OpCode }
.Concat(BeConverter.GetBytes(length));
return(headerBuffer.ToArray());
}
public void GetRequest_With_Timestamp_Generator()
{
// Timestamp generator should be enabled by default
var statement = new SimpleStatement("QUERY");
var config = new Configuration();
var request = RequestHandler.GetRequest(statement, Serializer, config);
var bodyBuffer = GetBodyBuffer(request);
// The query request is composed by:
// <query><consistency><flags><result_page_size><paging_state><serial_consistency><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
var flags = GetQueryFlags(bodyBuffer, ref offset);
Assert.True(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
Assert.False(flags.HasFlag(QueryFlags.Values));
Assert.False(flags.HasFlag(QueryFlags.WithPagingState));
Assert.False(flags.HasFlag(QueryFlags.SkipMetadata));
Assert.True(flags.HasFlag(QueryFlags.WithSerialConsistency));
// Skip result_page_size (4) + serial_consistency (2)
offset += 6;
var timestamp = BeConverter.ToInt64(bodyBuffer, offset);
var expectedTimestamp = TypeSerializer.SinceUnixEpoch(DateTimeOffset.Now.Subtract(TimeSpan.FromMilliseconds(100))).Ticks / 10;
Assert.Greater(timestamp, expectedTimestamp);
}
private static byte[] GetErrorBody(int code, string message, IEnumerable <byte> additional = null)
{
// error body = [int][string][additional]
return(BeConverter.GetBytes(code)
.Concat(GetProtocolString(message))
.Concat(additional ?? new byte[0])
.ToArray());
}
/// <summary>
/// Uses 2 or 4 bytes to represent the length in bytes
/// </summary>
internal static byte[] EncodeCollectionLength(ushort protocolVersion, int value)
{
if (protocolVersion < 3)
{
return(BeConverter.GetBytes((short)value));
}
return(BeConverter.GetBytes(value));
}
public void Should_Parse_ErrorResponse_With_Warnings()
{
// Protocol warnings are [string list]: A [short] n, followed by n [string]
var warningBuffers = BeConverter.GetBytes((ushort)1).Concat(GetProtocolString("Test warning"));
var body = warningBuffers.Concat(GetErrorBody(0x2000, "Test syntax error")).ToArray();
var header = FrameHeader.ParseResponseHeader(Version, GetHeaderBuffer(body.Length, HeaderFlags.Warning), 0);
var response = FrameParser.Parse(new Frame(header, new MemoryStream(body), Serializer.GetCurrentSerializer()));
var ex = IsErrorResponse <SyntaxError>(response);
Assert.AreEqual("Test syntax error", ex.Message);
}
public void GetRequest_With_Timestamp_Generator_Empty_Value_With_Statement_Timestamp()
{
var statement = new SimpleStatement("STATEMENT WITH TIMESTAMP");
var expectedTimestamp = new DateTimeOffset(2010, 04, 29, 1, 2, 3, 4, TimeSpan.Zero).AddTicks(20);
statement.SetTimestamp(expectedTimestamp);
var policies = new Policies(
Policies.DefaultLoadBalancingPolicy, Policies.DefaultReconnectionPolicy, Policies.DefaultRetryPolicy,
Policies.DefaultSpeculativeExecutionPolicy, new NoTimestampGenerator());
var config = new Configuration(
policies,
new ProtocolOptions(),
PoolingOptions.Create(),
new SocketOptions(),
new ClientOptions(),
NoneAuthProvider.Instance,
null,
new QueryOptions(),
new DefaultAddressTranslator(),
Mock.Of <IStartupOptionsFactory>(),
new SessionFactoryBuilder());
var request = RequestHandler.GetRequest(statement, Serializer, config);
var bodyBuffer = GetBodyBuffer(request);
// The query request is composed by:
// <query><consistency><flags><result_page_size><paging_state><serial_consistency><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
// The remaining length should be = flags (1) + result_page_size (4) + serial_consistency (2) + timestamp (8)
Assert.AreEqual(15, bodyBuffer.Length - offset);
var flags = GetQueryFlags(bodyBuffer, ref offset);
Assert.True(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
// Skip result_page_size (4) + serial_consistency (2)
offset += 6;
var timestamp = BeConverter.ToInt64(bodyBuffer, offset);
Assert.AreEqual(TypeSerializer.SinceUnixEpoch(expectedTimestamp).Ticks / 10, timestamp);
}
public void GetRequest_With_Timestamp_Generator_Empty_Value_With_Statement_Timestamp()
{
var statement = new SimpleStatement("STATEMENT WITH TIMESTAMP");
var expectedTimestamp = new DateTimeOffset(2010, 04, 29, 1, 2, 3, 4, TimeSpan.Zero).AddTicks(20);
statement.SetTimestamp(expectedTimestamp);
var policies = new Dse.Policies(
Dse.Policies.DefaultLoadBalancingPolicy, Dse.Policies.DefaultReconnectionPolicy,
Dse.Policies.DefaultRetryPolicy, Dse.Policies.DefaultSpeculativeExecutionPolicy,
new NoTimestampGenerator());
var config = new Configuration(
policies, new ProtocolOptions(), PoolingOptions.GetDefault(ProtocolVersion.MaxSupported), new SocketOptions(), new ClientOptions(),
NoneAuthProvider.Instance, null, new QueryOptions(), new DefaultAddressTranslator());
var request = RequestHandler <RowSet> .GetRequest(statement, Serializer, config);
var stream = new MemoryStream();
request.WriteFrame(1, stream, Serializer);
var headerSize = FrameHeader.GetSize(ProtocolVersion.MaxSupported);
var bodyBuffer = new byte[stream.Length - headerSize];
stream.Position = headerSize;
stream.Read(bodyBuffer, 0, bodyBuffer.Length);
// The query request is composed by:
// <query><consistency><flags><result_page_size><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
// The remaining length should be 13 = flags (1) + result_page_size (4) + timestamp (8)
Assert.AreEqual(13, bodyBuffer.Length - offset);
var flags = (QueryFlags)bodyBuffer[offset];
Assert.True(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
// Skip flags (1) + result_page_size (4)
offset += 5;
var timestamp = BeConverter.ToInt64(bodyBuffer, offset);
Assert.AreEqual(TypeSerializer.SinceUnixEpoch(expectedTimestamp).Ticks / 10, timestamp);
}
public void GetRequest_With_Timestamp_Generator()
{
// Timestamp generator should be enabled by default
var statement = new SimpleStatement("QUERY");
var config = new Configuration();
var request = RequestHandler <RowSet> .GetRequest(statement, Serializer, config);
var stream = new MemoryStream();
request.WriteFrame(1, stream, Serializer);
var headerSize = FrameHeader.GetSize(ProtocolVersion.MaxSupported);
var bodyBuffer = new byte[stream.Length - headerSize];
stream.Position = headerSize;
stream.Read(bodyBuffer, 0, bodyBuffer.Length);
// The query request is composed by:
// <query><consistency><flags><result_page_size><timestamp>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
// The remaining length should be 13 = flags (1) + result_page_size (4) + timestamp (8)
Assert.AreEqual(13, bodyBuffer.Length - offset);
var flags = (QueryFlags)bodyBuffer[offset];
Assert.True(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
Assert.False(flags.HasFlag(QueryFlags.Values));
Assert.False(flags.HasFlag(QueryFlags.WithPagingState));
Assert.False(flags.HasFlag(QueryFlags.SkipMetadata));
Assert.False(flags.HasFlag(QueryFlags.WithSerialConsistency));
// Skip flags (1) + result_page_size (4)
offset += 5;
var timestamp = BeConverter.ToInt64(bodyBuffer, offset);
var expectedTimestamp = TypeSerializer.SinceUnixEpoch(DateTimeOffset.Now.Subtract(TimeSpan.FromMilliseconds(100))).Ticks / 10;
Assert.Greater(timestamp, expectedTimestamp);
}
public void GetRequest_With_Timestamp_Generator_Empty_Value()
{
var statement = new SimpleStatement("QUERY");
var policies = new Dse.Policies(
Dse.Policies.DefaultLoadBalancingPolicy, Dse.Policies.DefaultReconnectionPolicy,
Dse.Policies.DefaultRetryPolicy, Dse.Policies.DefaultSpeculativeExecutionPolicy,
new NoTimestampGenerator());
var config = new Configuration(
policies, new ProtocolOptions(), PoolingOptions.GetDefault(ProtocolVersion.MaxSupported), new SocketOptions(), new ClientOptions(),
NoneAuthProvider.Instance, null, new QueryOptions(), new DefaultAddressTranslator());
var request = RequestHandler <RowSet> .GetRequest(statement, Serializer.Default, config);
var stream = new MemoryStream();
request.WriteFrame(1, stream, Serializer);
var headerSize = FrameHeader.GetSize(ProtocolVersion.MaxSupported);
var bodyBuffer = new byte[stream.Length - headerSize];
stream.Position = headerSize;
stream.Read(bodyBuffer, 0, bodyBuffer.Length);
// The query request is composed by:
// <query><consistency><flags><result_page_size>
var queryBuffer = BeConverter.GetBytes(statement.QueryString.Length)
.Concat(Encoding.UTF8.GetBytes(statement.QueryString))
.ToArray();
CollectionAssert.AreEqual(queryBuffer, bodyBuffer.Take(queryBuffer.Length));
// Skip the query and consistency (2)
var offset = queryBuffer.Length + 2;
// The remaining length should be 13 = flags (1) + result_page_size (4)
Assert.AreEqual(5, bodyBuffer.Length - offset);
var flags = (QueryFlags)bodyBuffer[offset];
Assert.False(flags.HasFlag(QueryFlags.WithDefaultTimestamp));
Assert.True(flags.HasFlag(QueryFlags.PageSize));
Assert.False(flags.HasFlag(QueryFlags.Values));
Assert.False(flags.HasFlag(QueryFlags.WithPagingState));
Assert.False(flags.HasFlag(QueryFlags.SkipMetadata));
Assert.False(flags.HasFlag(QueryFlags.WithSerialConsistency));
}
internal static byte[] EncodeBufferList(ICollection <byte[]> bufferList, int bufferLength)
{
//Add the necessary bytes length per each [bytes]
bufferLength += bufferList.Count * 4;
var result = new byte[bufferLength];
var index = 0;
foreach (var buf in bufferList)
{
var bufferItemLength = BeConverter.GetBytes(buf != null ? buf.Length : -1);
Buffer.BlockCopy(bufferItemLength, 0, result, index, bufferItemLength.Length);
index += bufferItemLength.Length;
if (buf == null)
{
continue;
}
Buffer.BlockCopy(buf, 0, result, index, buf.Length);
index += buf.Length;
}
return(result);
}
public override byte[] Serialize(ushort protocolVersion, decimal value)
{
int[] bits = decimal.GetBits(value);
int scale = (bits[3] >> 16) & 31;
byte[] scaleBytes = BeConverter.GetBytes(scale);
var bigintBytes = new byte[13]; // 13th byte is for making sure that the number is positive
Buffer.BlockCopy(bits, 0, bigintBytes, 0, 12);
var bigInteger = new BigInteger(bigintBytes);
if (value < 0)
{
bigInteger = -bigInteger;
}
bigintBytes = bigInteger.ToByteArray();
Array.Reverse(bigintBytes);
var resultBytes = new byte[scaleBytes.Length + bigintBytes.Length];
Array.Copy(scaleBytes, resultBytes, scaleBytes.Length);
Array.Copy(bigintBytes, 0, resultBytes, scaleBytes.Length, bigintBytes.Length);
return(resultBytes);
}
/// <summary>
/// Gets a buffer containing 8 bytes for header and 4 bytes for the body.
/// For result + void response message (protocol v2)
/// </summary>
private static byte[] GetResultBuffer(short streamId, ProtocolVersion version = ProtocolVersion.V2)
{
var header = (byte)((int)version | 0x80);
if (version.Uses2BytesStreamIds())
{
var bytes = BeConverter.GetBytes(streamId);
return(new byte[]
{
//header
header, 0, bytes[0], bytes[1], ResultResponse.OpCode, 0, 0, 0, 4,
//body
0, 0, 0, 1
});
}
return(new byte[]
{
//header
header, 0, (byte)streamId, ResultResponse.OpCode, 0, 0, 0, 4,
//body
0, 0, 0, 1
});
}
private static byte[] GetProtocolString(string value)
{
var textBuffer = Encoding.UTF8.GetBytes(value);
return(BeConverter.GetBytes((ushort)textBuffer.Length).Concat(textBuffer).ToArray());
}
public override byte[] Serialize(ushort protocolVersion, float value)
{
return(BeConverter.GetBytes(value));
}
public override byte[] Serialize(ushort protocolVersion, LocalTime value)
{
return(BeConverter.GetBytes(value.TotalNanoseconds));
}
internal static byte[] Serialize(DateTimeOffset value)
{
var ticks = (value - UnixStart).Ticks;
return(BeConverter.GetBytes(ticks / TimeSpan.TicksPerMillisecond));
}
private static byte[] GetErrorBody(int code, string message)
{
// error body = [int] [string]
return(BeConverter.GetBytes(code).Concat(GetProtocolString(message)).ToArray());
}
internal static byte[] Serialize(DateTimeOffset value)
{
return(BeConverter.GetBytes(Convert.ToInt64(Math.Floor((value - UnixStart).TotalMilliseconds))));
}
